Akai LTC-26R5W1HCM, Руководство по обслуживанию

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Getting rid of function's trouble
3.fuction part
（
PC
）
12
MANI BOARD FAULT JUDGMENT
The PIN8 of U32 >8.5 V ?
Or the PIN6 U22>3V?
Input signal is
normal or not
N Y N Y
In the PC mode
Loss color or
color is wrong
VS and HS signal
are stable or not
Picture jitter
P
ic
tu
re
is
n
o
t m
id
d
le
N
o
s
ig
n
a
l
A
uto
tu
ne
S
ys
te
m
c
on
fig
ure
is
w
ro
ng
a
nd
re
se
t
In
pu
t th
e r
ig
ht
sig
na
l
OS
D c
onfig
ure
isn
ot m
atch
ed ,
plea
se
in
put
tim
ing
aga
in
M
ain
te
na
nc
e t
he
cir
cu
it o
f V
S
、
H
S
M
ain
te
na
nc
e
V
S
、
H
S
c
irc
uit
By Peripheral equipment the signal is OK?
U2 power supply is OK?
Maintenance U12
、
Q14
、
FB12
and relative component
N Y
Y N
If Don't display the picture
Getting rid of function's trouble
4.fuction part
（
dual HDMI
）
Maintenance U2 peripheral circuit
and the output signal is ok? Maintenance Peripheral signal equipment and
replace the input signal of Peripheral equipment
In HDMI mode